Moderate mag. 4.6 earthquake - 139 km southeast of Thessaloníki, Thessaloniki, Greece, on 28 Sep 7:12 am (GMT +3) -

This quake was likely an aftershock of the 5.2 quake Aegean Sea, 33 km east of Sykia, Chalkidikí, Central Macedonia, Greece, 27 Sep 1:50 am (GMT +3), which had occurred 1 day 5 hours earlier.
Moderate mag. 4.6 earthquake - 139 km southeast of Thessaloníki, Thessaloniki, Greece, on 28 Sep 7:12 am (GMT +3)

Moderate magnitude 4.6 earthquake at 18 km depth

28 Sep 04:15 UTC: First to report: GFZ after 3 minutes.
28 Sep 04:19: Magnitude recalculated from 5.2 to 4.8. Epicenter location corrected by 1.4 km (0.9 mi) towards NE.
28 Sep 04:21: Now using data updates from NOA
28 Sep 05:05: Magnitude recalculated from 4.7 to 4.6. Epicenter location corrected by 1.7 km (1.1 mi) towards E.
Date & time: 28 Sep 2020 04:12:41 UTC -
Local time at epicenter: 28 Sep 7:12 am (GMT +3)
Magnitude: 4.6
Depth: 18.0 km
Epicenter latitude / longitude: 39.95°N / 24.3°E (Aegean Sea, Greece)
Nearest volcano: Sousaki (246 km / 153 mi)
Nearby towns and cities:
27 km (17 mi) E of Kalamitsi (pop: 39) --> See nearby quakes!
32 km (20 mi) ESE of Sykia (pop: 1,900) --> See nearby quakes!
47 km (29 mi) ESE of Neos Marmaras (pop: 3,160) --> See nearby quakes!
59 km (37 mi) E of Pefkochori (pop: 1,930) --> See nearby quakes!
61 km (38 mi) SE of Ierissos (Chalkidikí) (pop: 3,270) --> See nearby quakes!
66 km (41 mi) W of Myrina (Mirina) (pop: 5,410) --> See nearby quakes!
76 km (47 mi) SE of Megali Panagia (pop: 2,590) --> See nearby quakes!
87 km (54 mi) ESE of Polygyros (Poligiros) (pop: 10,000) --> See nearby quakes!
92 km (57 mi) ESE of Nea Moudania (pop: 9,340) --> See nearby quakes!
224 km (139 mi) NNE of Athens (pop: 664,000) --> See nearby quakes!
53 km (33 mi) SE of Nisida Ammouliani Island (pop: 547) --> See nearby quakes!
163 km (101 mi) N of Euboea Island (pop: 198,100) --> See nearby quakes!
189 km (117 mi) WNW of Lesvos Island (pop: 86,400) --> See nearby quakes!
Weather at epicenter at time of quake:
Light Rain 23.1°C (74 F), humidity: 77%, wind: 7 m/s (13 kts) from SSE
Primary data source: NOA (National Observatory of Athens)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 tons of TNT) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag.DepthLocationSource
4.618 km34 Km S of Karyes, GreeceNOA
4.814 kmAegean Sea, GreeceEMSC
4.510 kmAegean Sea, GreeceGFZ
4.812 km30 Km SSE of Karyes, GreeceKOERI-RETMC
4.811 km30 Km SSE of Karyes, GreeceUSGS
4.814 kmSikia / Ägäis, GreeceZAMG

User reports for this quake (77)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Neos Marmaras, Chalkidikí, Central Macedonia (52.1 km WNW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / very short
near Limenas Thasou, Kavala, East Macedonia and Thrace (77.8 km NNE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : 2 x  
near Neos Marmaras, Chalkidikí, Central Macedonia (57.7 km WNW of epicenter) [Map] / Light shaking (MMI IV) / 10-15 s (reported through our app)
Neos Marmaras, Chalkidikí, Central Macedonia (52.7 km WNW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s
Neos Marmaras (46.5 km WNW of epicenter) [Map] / Light shaking (MMI IV)
Neos Marmaras, Chalkidikí, Central Macedonia (52.7 km WNW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s
Şişli, Istanbul (417.2 km ENE of epicenter) [Map] / not felt (reported through our app)
Výronas, Nomarchía Athínas, Attica (225.9 km SSW of epicenter) [Map] / not felt (reported through our app)
Kavala, East Macedonia and Thrace (110.4 km N of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : 5th floor, awaken by bed shaking  
Afytos (75.4 km WNW of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s
Kalamitsi (27 km W of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Bed and window frames were shaking/rattling  
Polygyros, Chalkidikí, Central Macedonia (88 km NW of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / 1-2 s
Sithonia (63.2 km WNW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Shaking of the bed and creaking ceiling  
Nea Iraklica, Kavala (103.8 km N of epicenter) [Map] / Weak shaking (MMI III) : 4th floor in 5 storeys. Woke up from the fact that the bed was shaken (reported through our app)  
Sarti, Chalkidikí, Central Macedonia (31.5 km WNW of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / very short : All closet doors were shaking  
Sarti, Chalkidikí, Central Macedonia (31.3 km WNW of epicenter) [Map] / Strong shaking (MMI VI) / single vertical bump / 2-5 s (reported through our app)
SERRES / Weak shaking (MMI III) / 20-30 s
Ouranoupolis / Weak shaking (MMI III) / 1-2 s
Scala Potamia Thassos / Very weak shaking (MMI II) / single lateral shake / 1-2 s
Thassos / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s
Aghos / Moderate shaking (MMI V)
Pefkochori / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s
Asprovalta / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s
Skala Prinos / Moderate shaking (MMI V) / 2-5 s : Skala Prinos  
Nikiti / Light shaking (MMI IV)
Scala Potamia Thassos / Very weak shaking (MMI II) / single lateral shake / 1-2 s
Camping Melissi Paralia Sikia Halkidiki / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s
Hamburg, Germany / Very weak shaking (MMI II) / vertical swinging (up and down) / 15-20 s : Soft, continuous  
Sotiras on Thasos / Weak shaking (MMI III) / rattling, vibrating
Toroni Griechenland / Moderate shaking (MMI V)
Sofia, Bulgaria / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s
Chalkidiki / Light shaking (MMI IV) / 5-10 s
Thassos / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Kalamitsi / Light shaking (MMI IV) / single lateral shake / 2-5 s
Mount Athos / Moderate shaking (MMI V) / 5-10 s : Woke me up  
Kardzhali / Moderate shaking (MMI V) / complex rolling (tilting in multiple directions) / 5-10 s
Thassos / Weak shaking (MMI III)
Limenaria / Moderate shaking (MMI V) / single lateral shake / 2-5 s
Babenhausen / Moderate shaking (MMI V) / 5-10 s
Slivnitsa (Bulgaria, 338 km NW of epicenter) : Не се усети в Сливница. (reported through EMSC)  
Yalova (Turkey, 430 km E of epicenter) : Herkese çok geçmiş olsun. (reported through EMSC)  
(Turkey, 411 km E of epicenter) : Hissetmedik (reported through EMSC)  
Esenler (Turkey, 406 km E of epicenter) : Sağlam vursada şu yunan kafiri bir inlese. (reported through EMSC)  
Esenyurt (Turkey, 389 km E of epicenter) : Geçmiş olsun (reported through EMSC)  
Gjirokastër (Albania, 355 km W of epicenter) (reported through EMSC)
Kos (Greece, 429 km SE of epicenter) : ein wenig durcheinander. aufgewacht (reported through EMSC)  
Sofia (Bulgaria, 315 km NW of epicenter) : Леко поклащане (reported through EMSC)  
Sofia (Bulgaria, 315 km NW of epicenter) : На осмия етаж в София се усети разлюляване. Продължи около 10 секунди. (reported through EMSC)  
Bergama (Turkey, 265 km E of epicenter) : Not felt (reported through EMSC)  
Plovdiv (Bulgaria, 246 km N of epicenter) : Very easy in Plovdiv in 7th floor. (reported through EMSC)  
Plovdiv (Bulgaria, 245 km N of epicenter) : Felt the bed shaking (reported through EMSC)  
(Bulgaria, 245 km N of epicenter) : На 5 етаж не се усети. Пловдив България (reported through EMSC)  
Velingrad (Bulgaria, 231 km NW of epicenter) : Slightly felt forba short period (reported through EMSC)  
Kardzhali (Bulgaria, 208 km NE of epicenter) : Леко се усети на 3 етаж. Кърджали (reported through EMSC)  
Gotse Delchev (Bulgaria, 185 km NW of epicenter) : гоце делчев 7:13 (reported through EMSC)  
Xánthi (Greece, 140 km N of epicenter) : Αισθητός στην Ξάνθη (reported through EMSC)  
Triandría (Greece, 134 km NW of epicenter) : Αισθητός 5ος ορ. (reported through EMSC)  
(Greece, 134 km NW of epicenter) : Slightly felt, 5th floor (reported through EMSC)  
Paralía Ofryníou (Greece, 96 km NW of epicenter) : Light shaking of the bed (reported through EMSC)  
Metagkítsi (Greece, 68 km NW of epicenter) : Ελάχιστα αισθητός στα Πυργαδικια Χαλκιδικής. (reported through EMSC)  
Karyes (Greece, 33 km NW of epicenter) : Τουλάχιστον 5 δευτερόλεπτα διάρκεια. Η κίνηση με ιδιαιτερη ένταση (reported through EMSC)  
Sykiá (Greece, 32 km W of epicenter) : Strong one! (reported through EMSC)  
Sykiá (Greece, 32 km W of epicenter) : Das Haus wurde kurz gerüttelt. (reported through EMSC)  
Sárti (Greece, 31 km NW of epicenter) : Cutremur de durata foarte mică.Nu sunt pagube. (reported through EMSC)  
Tirana (Albania, 406 km W of epicenter) : Me te verter u ndje shum ja qr ca behet keshtu (reported through EMSC)  
Başakşehir (Turkey, 404 km E of epicenter) : Hissetmedim (reported through EMSC)  
Sofia (Bulgaria, 315 km NW of epicenter) : на 8 етаж много леко, младост1 (reported through EMSC)  
(Bulgaria, 246 km N of epicenter) : It was for 20 seconds (reported through EMSC)  
Dráma (Greece, 134 km NW of epicenter) : Αισθητός (reported through EMSC)  
Dráma (Greece, 134 km NW of epicenter) : κουνηθηκαν μικροαντικειμενα. (reported through EMSC)  
Kalamariá (Greece, 133 km NW of epicenter) : Ελαφρύ κούνημα (reported through EMSC)  
Volos (Greece, 132 km SW of epicenter) : Με διάρκεια (reported through EMSC)  
Volos (Greece, 132 km SW of epicenter) : Μικρό κούνημα (reported through EMSC)  
Kavála (Greece, 110 km N of epicenter) : Μικρό κούνημα ίσα που με ξύπνησε (reported through EMSC)  
Polýgyros (Greece, 86 km NW of epicenter) : Έντονη δόνηση στον Πολύγυρο!Στον δεύτερο όροφο πολυκατοικίας. (reported through EMSC)  
Néos Marmarás (Greece, 45 km W of epicenter) : The bed shaked a little (reported through EMSC)  
Sykiá (Greece, 31 km W of epicenter) : Strong, short shake (reported through EMSC)  
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